10
Armstrong International
221 Armstrong Blvd., Three Rivers, Michigan, 49093 - USA
armstronginternational.com/brain
General
Installation must be carried out in accordance with these instructions, and must be conducted by designated,
qualied and competent personnel.
L’installation doit être réalisée conformément à ces instructions, et doit être eectuée par un personnel
qualié désigné.
The installation must comply with all relevant local and state water plumbing codes.
The DRV25 must be installed as per the piping diagrams (pages 12, 13 & 14). All plumbing components are to be
Installation
Caution! The DRV25 must be installed in a dry area where it will not be able to freeze
(minimum ambient temperature of 35 °F (2 °C)).
Attention! L’installation du DRV25 doit se faire dans un endroit sec où il ne pourra pas geler (à
une température ambiante minimale de 35°F (2°C)).
supplied by the installer. Failure to include these components will compromise the product, system performance
and will void the warranty.
Notes:
1. DRV25 is supplied fully performance and pressure tested.
2. The DRV25 must be installed in an area where it is accessible to do any maintenance tasks e.g. removal of
the cover, replacing worn parts etc.
3. Suitable connections for ease of maintenance should be used on the inlet and outlet ports. (Isolation valves
and unions.)
4. The hot and cold water inlet supply pressures must be nominally equal.
5. The cold inlet supply feed to the DRV25 must be “tapped” directly from the cold inlet supply to the water heater.
6. The inlet supply pipework must be thoroughly ushed before tting the DRV25.
The Brain
®
DRV25 MUST ONLY
be installed in this orientation.
These clearance dimensions are
recommended for maintenance
purposes.
The Brain® DRV25 NE DOIT
être installée que dans ces
conditions.
Ces dimensions de l’espace
sont recommandées pour des
besoins de maintenance.
4″
6″4″
2″
8″
2-5/8″
(100 mm)
Min
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